src/components/rk-dropdown.vue

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

<template>
  <rk-popper ref="popper" :trigger="trigger" :forceShow="show">
    <span slot="reference"><slot></slot></span>
    <div class="rk-dropdown" :style="`width:${width}`">
      <input v-model="searchString" type="text" placeholder="搜索..." class="rk-dropdown-search">
      <RkDropdownItem v-for="i in searchResult" :key="i.name" @click.native="handleClick(i)" :detail="true" :value="i.name"/>
    </div>
  </rk-popper>
</template>

<script lang="ts">
import RkDropdownItem from './rk-dropdown-item.vue';
import Vue from 'vue';
import { Component, Prop, PropSync, Ref } from 'vue-property-decorator';

interface Option {
  value: string | number;
  name: string | number;
}

@Component({
  components: { RkDropdownItem },
})
export default class RkDropdown extends Vue {
  @Ref('popper') private readonly popper!: any;
  @Prop({ default: 'click' }) private trigger!: string;
  @Prop({ default: '180px' }) private width!: string;
  @Prop({ default: false }) private show!: boolean;
  @Prop({ default: false }) private search!: boolean;
  @Prop({ default: () => [] }) private options!: Option[];
  private searchString: string = '';
  private get searchResult() {
    return this.options.filter((item: Option) =>
    `${item.name}`.indexOf(this.searchString) !== -1);
  }
  private handleClick(i: Option) {
    this.$emit('click', i);
    this.popper.doClose();
  }
}
</script>

<style lang="scss">
.rk-dropdown{
  color: #efefef;
  box-shadow: 0 1px 6px rgba(99, 99, 99, 0.2);
  background-color: #252a2f;
  border-radius: 3px;
  overflow: auto;
  max-height: 200px;
  padding-bottom: 2px;
  &-search{
    width: calc(100% - 4px);
    border: 0;
    background-color: #333840;
    color: #eee;
    outline: 0;
    padding: 5px 25px 5px 10px;
    margin: 2px;
    border-radius: 3px;
  }
}
</style>